Seiko Cal. 5637 - 343

The Seiko 5637-343 represents an important milestone in Seiko's 1985 lineup. It features a Silver dial protected by a Hardlex crystal and offers 200m of water resistance. [seikata-wm-1360077e9526]

Specifications

Movement

Quartz

Case Material

Hardlex-Coated Steel

Case Width

39mm

Case Thickness

8.0mm

Lug Width

20mm

Crystal

Hardlex

Bezel

Rotating

Water Resistance

200m

Dial Color

Silver

Jewels

32j

Frequency

36,000 bph

Power Reserve

46 hours

Year

1985

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